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Consolidation of soil

consolidation of soil and assumptions.

benjamesgeorge
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Consolidation of soil

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  1. Soil mechanics( 14CE2007 )CONSOLIDATION BEN JAMES GEORGE ( UR14CE106 )

  2. CONSOLIDATION

  3. Spring analogy for primary consolidation In this system, the spring represents the compressibility, and the water which fills the container represents the pore water in the soil. The container is completely filled with water , and the hole is closed. ( Fully saturated soil ) As soon as the hole is opened, water starts to drain out through the hole and the spring shortens. After some time, drainage of water no longer occurs. Now , the spring alone resists the applied load. ( End of consolidation )

  4. Time dependency The time for consolidation to occur can be predicted. Sometimes Consolidation can take years. This is especially true in saturated clays because their hydraulic conductivity is extremely low, and this causes the water to take an exceptionally long time to drain out of the soil. While drainage is occurring, the pore water pressure is greater than normal because it is carrying part of the applied stress.

  5. Assumptions of Consolidation of soil

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